Johnson, R. L., Stevens, M. R., Johnson, L. A., Robbins, M. D., Anderson, C. D., Ricks, N. J., & Farley, K. M. (2016). Molecular and morphological evidence for Penstemon luculentus (Plantaginaceae): A replacement name for Penstemon fremontii var. glabrescens. PhytoKeys.
Citación estilo ChicagoJohnson, Robert L., Mikel R. Stevens, Leigh A. Johnson, Matthew D. Robbins, Chris D. Anderson, Nathan J. Ricks, y Kevin M. Farley. "Molecular and Morphological Evidence for Penstemon luculentus (Plantaginaceae): A Replacement Name for Penstemon fremontii Var. Glabrescens." PhytoKeys 2016.
Cita MLAJohnson, Robert L., et al. "Molecular and Morphological Evidence for Penstemon luculentus (Plantaginaceae): A Replacement Name for Penstemon fremontii Var. Glabrescens." PhytoKeys 2016.